Hmm, and I see there is a tentative title to the next Harry Potter book (since it was revealed in a puzzle on JKR's site I won't say the title if you want to go work out the puzzle yourself). However, I just spent a few minutes at a HP website reading speculation about what the title could hint as to what happens in book 7.

I saw one report that Amazon has the title listed already, and I just confirmed it for myself. It's listed there with a link saying "Get an alert when this item becomes available to order."